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Control strategy calibration of fuel film compensation in the transient conditions

机译：控制策略与燃料膜补偿在瞬态条件下的校准

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摘要

Three reasons of the deviation of the fuel injection quantity for the electronic fuel injection (EFI) motorcycle engine during the transient conditions were analyzed, including the presence of fuel injection dead time, the engine load measurement deviation and the existence of fuel film attached to the inlet pipe wall. The control strategy of fuel film compensation was studied at conditions of starting, acceleration and deceleration, which was based on the changes of engine velocity, inlet air pressure and inlet air temperature. During the transient condition, the basic fuel film compensation and correction coefficient were calibrated at motorcycle dynamometer, and the modified fuel film compensation MAP were achieved correspondingly, in order to keep the excess air coefficient stable.
机译：分析了电子燃料喷射（EFI）摩托车发动机在瞬态条件下燃料喷射量偏离的三种原因，包括燃料喷射时间的存在，发动机负荷测量偏差以及附着的燃料膜的存在入口管壁。在起动，加速和减速度的条件下研究了燃料膜补偿的控制策略，基于发动机速度，入口空气压力和入口空气温度的变化。在瞬态条件下，在摩托车测力计校准基本燃料膜补偿和校正系数，并且相应地实现改性的燃料膜补偿图，以保持过量的空气系数稳定。

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